Adopt a Baby is a story-driven e-pet simulator that explores human beings' possessive and controlling nature in relation to objects or creatures. The story follows the player who adopts a creature called a "baby" and raises it, choosing whether to eat it when it grows up. The game's art style is Tamagotchi-inspired, its core gameplay mechanics will be based on audio interactions, and it will focus on possessiveness and control in the game's story text.